This is an awesome collection of hotends, I too would love a bit of info about your personal experience with some of these, I have been using a ubis hotend which seems to be pretty good, although there is lifting issues coming up as it goes around a corner a particular way on the first layer, I fixed this with hairspray (I am only printing in PLA), but it started doing this after about 3 months of punishment. I'd rather support a fully opensource hotend :)

I haven't, personally, used these hot-ends as I mainly collect them and read what comments others have posted regarding others experiences. From others' experiences, the best PLA hot-ends have a PTFE liner.